TY - JOUR
T1 - High stress-driven voltages in net-like layer-supported organic-inorganic perovskites
AU - Tusiime, Rogers
AU - Zabihi, Fatemeh
AU - Tebyetekerwa, Mike
AU - Yousry, Yasmin Mohamed
AU - Wu, Yue
AU - Eslamian, Morteza
AU - Yang, Shengyuan
AU - Ramakrishna, Seeram
AU - Yu, Muhuo
AU - Zhang, Hui
N1 - Publisher Copyright:
This journal is © The Royal Society of Chemistry.
PY - 2020/2/28
Y1 - 2020/2/28
N2 - Hybrid organo-metal halide perovskites (OMHPs) have been extensively explored for photo or photo-enhanced applications, which are time, location or light-limited. Unlike in other works, herein, methylammonium lead iodide (MAPbI3) perovskite was employed as a small area (<1 cm2) stress-driven energy converter. Briefly, MAPbI3 was infiltrated into a net-like composite scaffold, having three constituents; polyvinylidene fluoride (PVDF), polylactic acid (PLA) and tin dioxide (SnO2) electrospun nanofibres. A systematic vertical ultrasonic vibration was optimized and applied to each sample, followed by ice quenching. Addition of MAPbI3 and vertical vibration altered the morphotropic phase nature of the composite towards desirable electroactive forms, without further poling, revealed by XRD, FTIR, and Raman studies. When the device was subjected to bending/compression-release forces, high output voltage of 4.82 V and current of 29.7 nA were obtained over an area of 0.0625 cm2. The champion device also registered high piezoelectric strain coefficients (d33) of 123.93 pC N-1 and 118.85 pC N-1 (with and without a SnO2 nanoparticle underlayer, respectively). We further elucidate the mechano-electrical outputs of MAPbI3 devices grown on other distinctive underlayers. This work advances the drive towards all-day-all-night energy harvesting using OMHPs, the force being applied from ubiquitous motions or artificial movements.
AB - Hybrid organo-metal halide perovskites (OMHPs) have been extensively explored for photo or photo-enhanced applications, which are time, location or light-limited. Unlike in other works, herein, methylammonium lead iodide (MAPbI3) perovskite was employed as a small area (<1 cm2) stress-driven energy converter. Briefly, MAPbI3 was infiltrated into a net-like composite scaffold, having three constituents; polyvinylidene fluoride (PVDF), polylactic acid (PLA) and tin dioxide (SnO2) electrospun nanofibres. A systematic vertical ultrasonic vibration was optimized and applied to each sample, followed by ice quenching. Addition of MAPbI3 and vertical vibration altered the morphotropic phase nature of the composite towards desirable electroactive forms, without further poling, revealed by XRD, FTIR, and Raman studies. When the device was subjected to bending/compression-release forces, high output voltage of 4.82 V and current of 29.7 nA were obtained over an area of 0.0625 cm2. The champion device also registered high piezoelectric strain coefficients (d33) of 123.93 pC N-1 and 118.85 pC N-1 (with and without a SnO2 nanoparticle underlayer, respectively). We further elucidate the mechano-electrical outputs of MAPbI3 devices grown on other distinctive underlayers. This work advances the drive towards all-day-all-night energy harvesting using OMHPs, the force being applied from ubiquitous motions or artificial movements.
UR - http://www.scopus.com/inward/record.url?scp=85080869677&partnerID=8YFLogxK
U2 - 10.1039/c9tc05468e
DO - 10.1039/c9tc05468e
M3 - Article
SN - 2050-7526
VL - 8
SP - 2643
EP - 2658
JO - Journal of Materials Chemistry C
JF - Journal of Materials Chemistry C
IS - 8
ER -